505010122 has 4 divisors (see below), whose sum is σ = 757515186. Its totient is φ = 252505060.

The previous prime is 505010113. The next prime is 505010137. The reversal of 505010122 is 221010505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221010505 = 5 ⋅44202101.

It can be written as a sum of positive squares in only one way, i.e., 364848201 + 140161921 = 19101^2 + 11839^2 .

It is a junction number, because it is equal to n+sod(n) for n = 505010096 and 505010105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126252529 + ... + 126252532.

Almost surely, 2^505010122 is an apocalyptic number.

505010122 is a deficient number, since it is larger than the sum of its proper divisors (252505064).

505010122 is a wasteful number, since it uses less digits than its factorization.

505010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252505063.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 505010122 is about 22472.4302646599. The cubic root of 505010122 is about 796.3427446235.

Adding to 505010122 its reverse (221010505), we get a palindrome (726020627).

The spelling of 505010122 in words is "five hundred five million, ten thousand, one hundred twenty-two".